<template>
  <div class="mod-config mod-menu">
    <el-form :inline="true" :model="dataForm" @submit.native.prevent>
      <el-form-item>
        <el-button v-if="isAuth('sys:menu:save')" type="primary" size="small"
            icon="el-icon-edit" @click="addOrUpdateHandle()">新增</el-button>
      </el-form-item>
    </el-form>
    <el-table height="calc(100% - 100px)" :data="dataList" border style="width: 100%;">
      <el-table-column type="index" header-align="center" align="center" label="序号"  width="70"></el-table-column>

      <table-tree-column prop="name" header-align="center" treeKey="menuId" width="150" label="名称">
      </table-tree-column>
      <el-table-column prop="parentName" header-align="center" align="center" width="120" label="上级菜单">
      </el-table-column>
      <el-table-column header-align="center" align="center" label="图标">
        <template slot-scope="scope">
          <icon-svg :name="scope.row.icon || ''"></icon-svg>
        </template>
      </el-table-column>
      <el-table-column prop="type" header-align="center" align="center" label="类型">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.type === 0" size="small">目录</el-tag>
          <el-tag v-else-if="scope.row.type === 1" size="small" type="success">菜单</el-tag>
          <el-tag v-else-if="scope.row.type === 2" size="small" type="info">按钮</el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" header-align="center" align="center" label="排序号">
      </el-table-column>
      <el-table-column prop="url" header-align="center" align="center" width="150" :show-overflow-tooltip="true" label="菜单URL">
      </el-table-column>
      <el-table-column prop="perms" header-align="center" align="center" width="150" :show-overflow-tooltip="true" label="授权标识">
      </el-table-column>
      <el-table-column fixed="right" header-align="center" align="center" width="200" label="操作">
        <template slot-scope="scope">
          <el-button v-if="isAuth('sys:menu:update')" type="primary" size="small"
            icon="el-icon-edit" @click="addOrUpdateHandle(scope.row.menuId)">
            修改
          </el-button>
          <el-button v-if="isAuth('sys:menu:delete')" type="danger" size="small"
          icon="el-icon-delete" @click="deleteHandle(scope.row.menuId)">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
  </div>
</template>

<script>
import TableTreeColumn from '@/components/table-tree-column'
import AddOrUpdate from './menu-add-or-update'
import {treeDataTranslate} from '@/utils'
import {isAuth} from '@/utils'
import {mRequest} from '@/utils/request'

export default {
  data() {
    return {
      isAuth: isAuth,
      dataForm: {},
      dataList: [],
      dataArray: [],
      dataListLoading: false,
      addOrUpdateVisible: false
    }
  },
  components: {
    TableTreeColumn,
    AddOrUpdate
  },
  activated() {
    this.getDataList()
  },
  methods: {
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      mRequest('systemApi/listMenu', {}, ({data}) => {
        this.dataArray = data
        this.dataList = treeDataTranslate(this.dataArray, 'menuId')
        this.dataListLoading = false
      })
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    deleteHandleTail(id) {
      const menu = this.R.filter(this.R.propEq('menuId', id), this.dataArray)[0]

      if (this.R.isNil(menu)) {
        return
      }
      const generate = (item, arr = []) => {
        arr.push(item)
        const children = this.R.propOr([], 'children', item)

        if (!this.R.isEmpty(children)) {
          this.R.forEach((child) => generate(child, arr), children)
        }
        return arr
      }
      const doDelete = (item) => {
        return this.$api['systemApi/deleteMenu']({id: this.R.prop('menuId', item)})
      }
      const stack = generate(menu).reverse()
      const run = async (array) => {
        const data = []

        for (let i = 0; i < array.length; i++) {
          data.push(await doDelete(array[i]))
        }
        return data
      }
      return run(stack)
    },
    // 删除
    deleteHandle(id) {
      this.$confirm(`确定对[id=${id}]进行[删除]操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          return this.deleteHandleTail(id)
        })
        .then((results) => {
          const errorResult = this.R.filter(({data}) => data.code !== 0, results)

          if (this.R.isEmpty(errorResult)) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(`删除 id = [${this.R.map(this.R.path(['data', 'menuId']), errorResult).join(', ')}] 失败`)
          }
        })
        .catch((e) => {
          console.log(e)
        })
    }
  }
}
</script>
